研究了不同的热处理制度下该钢的显微组织、力学性能及磨损行为。
The microstructure, mechanical properties and tribological behaviors of the steel treated by different heat treatments were studied.
研究了时效温度和保温时间对时效硬化型超低碳含铜钢的显微组织和硬度的影响。
The effects of the aging temperature and holding time on the microstructure and hardness of the ultra-low-carbon steel bearing copper were investigated.
通过试验研究了不同碳、铬含量对不锈轴承钢的显微组织、碳化物、硬度和接触疲劳寿命的影响。
This research studies the effect of different carbon and chrome content on the microstructure, carbides, hardness and contact fatigue life of the stainless bearing steel.
X100管线钢的显微组织以粒状贝氏体为主，同时弥散分布着大量细小的M/A岛和少量的板条贝氏体；
Moreover, the microstructure of X100 pipeline steel mainly consists of massive granular bainite, and some fine and dispersive M/A islands with a few lath bainite in the matrix also.
采用光学金相、SEM和XRD等方法研究了经激光熔凝处理的H1 3钢的显微组织，并对其性能进行了测试。
The microstructures of the laser-melted H13 steel have been studied by means of optical metallography, SEM and XRD. And mechanical properties have been measured.
利用光学显微镜和透射电子显微镜对不同热处理工艺制度下高性能耐火耐候建筑用钢的显微组织进行了观察和分析。
The microstructure of high performance fire-resistant and weathering construction steel after different heat treatment regimes was studied by using OM and TEM.
随着冷却速率的增加，实验钢的显微组织由铁素体+粒状贝氏体逐步转变为板条贝氏体+板条马氏体及板条马氏体组织；
The microstructure of the steel transforms from ferrite plus granular bainite, lath bainite plus lath martensite and then to lath martensite successively with the increasing of cooling rate;
研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
The microstructure, surface fracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
研究了焊剂碱度对管线钢埋弧焊熔敷金属显微组织和韧性的影响。
The effect of flux basicity on the microstructures and toughness of SAW deposited metals on pipe line was investigated.
在超低温温度场中，钢组织结构的转变是随机、超显微的，而且是一种逐渐的转变过程。
In the cryogenic temperature field, the change of steel structure is random and ultramicroscopic, and it is also a kind of progressive changing process.
针对精炼与非精炼船钢低温冲击值的差异，分析了两种钢的化学成分、夹杂物和显微组织等对冲击值的影响。
For the difference of ship steel low temperature impact value, the effects of chemical composition, inclusion and microstructure of the refined and unrefined steel are analyzed.
借助手工电弧焊方法，使用CHR系列堆焊焊条对A 3、45钢进行堆焊加工，分析了其堆焊层金属的显微组织及性能。
With SMAW method, the surfaces of A3 and 45 steel were welded by using the series of CHR electrode, and the microstructure and performance of surfacing welding layer metal were analyzed.
显微组织分析表明，含钛钢中生成了钛化物相，并且随着退火温度的提高，钛化物析出量增多。
Analysis on the microstructure shows that precipitation of compound containing titanium was found in the steel, and its amount increases with the elevation of annealing temperature.
显微组织和断口观察指出，初始组织的这种影响，与不同初始组织的双相钢中马氏体相的形态和分布有关。
The observations of microstructures and tensile fracture surface showed that such effect of initial structure can be related to the shape and distribution of martensite in dual phase steels.
研究了正火处理对FAS390Q桥壳钢显微组织、强度、冲击韧性和韧脆转变温度的影响。
The effect of normalizing on microstructure, strength, impact toughness and ductile-brittle transition temperature of FAS390Q axle housing steel was studied.
研究了焊接贝氏体-奥氏体钢管贝氏体钢侧显微组织变化和残余应力分布对巴克豪森噪声（BN）的影响。
The effects of change in microstructure and residual stress distribution on Barkhausen noise (BN) on the bainitic steel side in a welded bainitic and austenitic steel pipe are studied.
研究了D2钢在不同温度淬火后的硬度变化，以及深冷处理对其硬度的影响，并对其显微组织进行了分析。
The hardness variation of D2 steel under different quenching temperature and the influence of subzero treatment on hardness of D2 steel were studied, and its microstructure was analyzed as well.
结果表明：钢a和钢b冷轧低碳钢板焊接HAZ具有相同的显微组织特征，但铁素体晶粒大小不同。
The results obtained show the microstructure characteristics of the welded HAZ of the cold rolled low carbon sheets (steel a and b) are same, but the ferrite grain sizes are different.
扼要地介绍了C15不锈钢的化学成分、显微组织、力学性能、耐腐蚀性能和加工性能，为选材应用提供了判据。
This paper briefed chemical composition, microstructure, mechanical properties, resistant corrosion and workabalities of stainless steel C15. The criterion for its application was provided.
研究了国产仿YUS110及进口SUS316L两类静电除尘器不锈钢星形线材的显微组织、静拉伸性能与疲劳特性。
The microstructures and the tensile and fatigue properties of the domestic YUS110 and the imported SUS316L stainless steel wire rods were studied.
用光学显微镜、透射电子显微镜以及电子探针等现代材料试验手段对50钢中存在的大块黑色团状异常组织进行了研究和分析。
The abnormal block and black round structure of 50 axletree steel was studied and analyzed using optical microscopy, transmission electron microscopy, electron probe and so on.
研究了含碳量和轧制工艺对低碳微合金V - N钢显微组织和性能的影响。
The effects of carbon content and rolling process parameters on microstructures and properties of the V-N microalloyed steels were studied.
论文主要内容包括：1、利用光学显微镜测试了试验钢变形前后的组织。
The primary coverage of the dissertation includes:(1) Light microscope is used to observe the microstructure.
介绍了邢钢预应力SWRH82B盘条的生产工艺，盘条的化学成分、力学性能、显微组织等均达到了标准要求。
The production process of pre-stressed SWRH82B wire bar in Xing Steel is introduced, its chemical composition, mechanical properties and micro-structure all meet the standard.
本文研究了45钢抽油泵缸套激光热处理后的显微组织和硬度的变化。
Treated with laser the changes in microstructure and hardness of cylinder sleeve of oil-well pump for 45 steel were studied.
显微组织的观察结果表明，MIM钢试样的碳化物的直径与形状比锻轧钢试样的均一。
The results of microstructure observation showed that diameter and shape of carbide of the MIM specimens were uniform than those of the wrought steel specimens.
采用X射线衍射、扫描电镜及显微硬度等技术，综合比较和分析了H13模具钢在不同热处理状态下经相同气体渗氮处理后表层的组织结构和硬度。
The microstructure and hardness of the layer of H13 tool steel gas-nitrided in different heat treatment conditions were studied by X-ray, SEM and micro-hardness test.
并由透射电镜的显微组织，分析了该钢获得良好综合性能的原因。
In the meanwhile, the reason why the steel will obtain excellent comprehensive property is analyzed according to microstructure observed by means of TEM.
在经过腐蚀的钢轨钢拉伸断口上进行了显微组织和断口形貌的同步观察，直接观察到了断日形貌特征与显微组织的某些相关结果。
The microstructure and fracture morphology of directly etched fracture sample of rail steel were observed. The relatinos between the microstructure and fracture morphology were discussed.
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